<template>
  <div class="update-photo">
    <img class="img"
         :src="img"
         ref="img">

    <div class="toolbar">
      <div class="cancel"
           @click="$emit('close')">取消</div>
      <div class="confirm"
           @click="onConfirm">完成</div>
    </div>
  </div>
</template>

<script>
import 'cropperjs/dist/cropper.css'
import Cropper from 'cropperjs'
import { UpdateUserPhoto } from '@/api/user'
export default {
  props: {
    img: {
      type: [String, Object],
      required: true
    }
  },
  data () {
    return {
      cropper: ''
    }
  },
  mounted () {
    const image = this.$refs.img
    this.cropper = new Cropper(image, {
      viewMode: 1, // 只能在裁剪的图片范围内移动
      dragMode: 'move', // 画布和图片都可以移动
      aspectRatio: 1, // 裁剪区默认正方形
      autoCropArea: 1, // 自动调整裁剪图片
      cropBoxMovable: false, // 禁止裁剪区移动
      cropBoxResizable: false, // 禁止裁剪区缩放
      background: false, // 关闭默认背景
      movable: true // 画布是否可以被移动(默认为true)
    })
  },
  methods: {
    onConfirm () {
      // Content-Type: multipart/form-data
      // Content-Type: application/json
      // 服务端裁切
      // console.log(this.cropper.getData())
      // 客户端裁切
      this.cropper.getCroppedCanvas().toBlob(async blob => {
        try {
          // console.log(blob)
          const formData = new FormData()
          formData.append('photo', blob)

          const { data } = await UpdateUserPhoto(formData)
          // console.log(data)
          this.$emit('close')
          this.$emit('update-photo', data.data.photo)
          this.$toast('更新成功')
        } catch (err) {
          this.$toast('更新完成')
        }
      })
    }
  }
}
</script>

<style lang="less" scoped>
.update-photo {
  background-color: #000;
  height: 100%;
  .toolbar {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    justify-content: space-between;
    .cancel,
    .confirm {
      width: 90px;
      height: 90px;
      font-size: 30px;
      display: flex;
      justify-content: center;
      align-items: center;
      color: #fff;
    }
  }
}
.img {
  display: block;
  max-width: 100%;
}
</style>
